Packing box



FIG. 1 is a front-top-right side perspective view of a box showing my new design;

FIG. 2 is a front elevation view of the design of a packing box disclosed in FIG. 1;

FIG. 3 is a rear elevation view of the design of a packing box disclosed in FIG. 1;

FIG. 4 is a left side elevation view of the design of the packing box shown in FIG. 1;

FIG. 5 is a right side elevation view of the design of the packing box shown in FIG. 1;

FIG. 6 is a top plan view of the design of the packing box shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the design of the packing box shown in FIG. 1. 

The ornamental design for a packing box, as shown and described. 